SQL is the Structured Query Language used to communicate with relational database management systems (RDBMS). Sequel is the historic name for SQL but SQL is now the standard term. SQL is a language and not a specific database server.
2. Sequel vs SQL
• Sequel is the historic name of the SQL
• Registered trademark of a American
Aerospace company
• SQL is not the server.
• SQL is the Structured Query language which
let you to speak with RDBMS.